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J. W. MoD'OUGALL. BOTTLE AND STOPPER.

No. 599, 24. Patented Feb. '22, 1898.

UNITED STATES JOHN WILLIAM MCDOUGALL,

PATENT OFFICE- OF NAPIER, NEW ZEALAND.

I BOTTLE AND STOPPER.

SPECIFICATION forming part of Letters Patent No. 599,624, dated February 22, 1898.

Application filed April 17, 1 8 9 7.

uids may be preserved and liquids-under pressure liberated in such quantities as desired and the remaining portion restoppered and preserved under pressure.

The invention is illustrated upon the ac companying drawings, whereon Figure 1 is a section of a bottle-neck fitted with the stopper and showing the same open and the rubber ring fixed to the stopper. Fig. 2 is a plan of the top of the stopper. Fig. 3 is a section of a bottle-neck fitted with the stopper and showing the same closed and with the rubber ring fixed to the bottle. Fig. 4 is a cross-section on line E F, Fig. 3. Fig. 5 is a detail view showing the device for operating the stopper.

Similar letters refer to similar parts.

Referring to the drawings, a is a bottle of any ordinary form provided with a neck 0., having a coarse screw-thread formed upon its interior. The stopper 1) is similarly furnished with a screw-thread to engage with the neck and has beveled collars b and b to receive washers b and 19 The head b of the stopper is formed into an octagonal or other suitable shape to fit within the disk b", Fig. 14, whereby the stopper may be screwed or un screwed. The stopper is made hollow and open at the top, and near the bottom of the same lateral openings 19 communicate with the interior above washer b To open the bottle, the disk 0 is slipped upon the head 6 and the stopper screwed down to the position shown on Fig. 1, when the liquid may be poured out by passing through openings 1) and up the interior of the Serial No. 632,622. (No model.)

stopper. The washer b will prevent the escape of liquid between the stopper and neck of the bottle. Washer 19 may be fitted within a groove formed in the neck of the bottle, as

washer may be drawn up the conical end f of v the stopper into position upon the beveled collar 1) by any suitable hooked wires or the like. The stopper is then screwed upward into its place and washer b slipped into position.

In the case of the washer 17 (shown on Fig. 3) the stopper is passed into the bottle, washer b placed in position, the stopper screwed into its place, andwasher b then slipped upon the beveled collar 12 What I claim, and desire to secure by Letters Patent of the United States, is

1. A bottle-stopper comprising a hollow screw-threaded plug adapted to fit the screwthreaded neck of the bottle and having reversely-set conical portions at its ends adapted to fit upon conical seats in the bottle-neck, the packing about the conical ends of the plug and a rectangular projection whereby the plug may be seated or removed from the bottle, said plug having an opening extending laterally thereof above the lower conical portion and at the small end thereof, substantially as described.

2. In combination,'the hollow plug having limited movement in the bottle-neck and having reversely set inclines at its ends, the lower end of the plug ending in a conical part f with its apex directed downwardly and the packing-rings on the reversely-set inclines, the said plug having a lateral opening above the lower incline, substantially as described.

JOHN WILLIAM MODOUGALL.

Witnesses:

H. HUMPHRIES, F. RHODES. 

